The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Look and Say in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 561st Shanethegamer 🇺🇸 770 110 117ms 1 May 2023 562nd m-tkach 🇺🇦 770 175 25ms 20 Dec 2021 563rd GrayJoKing 🇦🇺 769 85 417ms 17 Jan 2024 564th Yewzir 🇧🇪 769 195 2,269ms 25 May 2024 565th Natanaelel 🇸🇪 768 47 3ms 25 Aug 2021 566th DaCuteRaccoon 768 65 37ms 23 Apr 2022 567th snoozingnewt 🇨🇦 767 131 92ms 13 days ago 568th marcin7Cd 766 94 10ms 9 Dec 2020 568th Natanaelel 🇸🇪 766 94 15ms 22 Aug 2022 568th yujh-yujh 🇬🇸 766 94 19ms 8 days ago 571st tailorspy 766 132 80ms 6 Aug 2024 572nd lynn 766 137 26ms 8 Aug 2023 573rd primo-ppcg 🇹🇭 766 176 25ms 5 Mar 2022 574th sean-niemann 🇺🇸 765 136 437ms 26 Sep 2025 575th Natanaelel 🇸🇪 764 49 32ms 24 Nov 2023 576th marshallward 🇺🇸 763 139 41ms 26 Jun 2023 577th edsrzf 🇳🇿 763 157 289ms 12 Jun 2025 578th neihousaigaai 762 76 8ms 27 May 2021 578th tayloia 🇬🇧 762 76 9ms 17 May 2023 578th biocommando 🇫🇮 762 76 9ms 9 Aug 2023 578th FortuiteMan 🇫🇷 762 76 9ms 14 Jul 2025 582nd ovs-code 🇩🇪 762 198 480ms 30 Jan 2025 583rd snoozingnewt 🇨🇦 760 86 419ms 16 Oct 2025 584th Alex-x90 🇺🇸 760 133 521ms 13 Apr 2023 585th jascotm 758 95 19ms 6 May 2021 586th albanian-laundromat 757 79 740ms 3 Nov 2025 587th primo-ppcg 🇹🇭 757 112 121ms 1 May 2023 588th primo-ppcg 🇹🇭 757 132 8ms 9 Feb 2021 589th Shanethegamer 🇺🇸 755 99 6ms 18 Dec 2023 590th retrohun 755 102 21ms 9 Nov 2022 591st typeswitch-dev 🇵🇹 755 114 4ms 24 Jul 2023 592nd roupiq 🇵🇱 755 134 450ms 18 Feb 2024 593rd guliyevemil1 🇦🇿 754 101 116ms 31 Jan 2021 593rd cipharius 754 101 118ms 6 Feb 2021 593rd YAJUE114514 754 101 119ms 30 Jul 2025 596th sean-niemann 🇺🇸 753 93 4ms 4 Nov 2023 596th targrik 753 93 4ms 5 Aug 2025 598th MeWhenI 🇻🇦 752 48 3ms 16 Apr 2023 598th DialFrost 🇸🇬 752 48 3ms 12 Jan 2025 600th olleicua 🇺🇸 752 77 9ms 20 Jan 2024 601st jared-hughes 752 127 2ms 6 Mar 2022 602nd Just4FunCoder 750 96 14ms 26 Oct 2022 602nd FlorianCassayre 🇫🇷 750 96 10ms 23 Sep 2023 604th Re-Adventures 🇮🇳 750 127 102ms 22 Dec 2023 605th JDiLenarda 🇫🇷 750 146 1,315ms 11 Nov 2023 606th emgordon154 748 160 261ms 17 Jan 2025 607th strout 746 102 117ms 24 Aug 2022 607th the-zammers 746 102 117ms 1 Oct 2023 609th janbehrens 🇩🇪 745 94 4ms 2 Dec 2020 609th josh-h-90 745 94 4ms 7 Oct 2022 609th emplv 🇱🇻 745 94 4ms 3 Oct 2023 609th DialFrost 🇸🇬 745 94 4ms 15 Nov 2023 609th edsrzf 🇳🇿 745 94 5ms 26 Aug 2025 614th lynn 745 162 289ms 26 Feb 2025 615th janAkali 🇷🇺 744 111 124ms 3 Sep 2024 616th neel11235813 743 88 340ms 15 Jan 2024 616th SirBogman 🇺🇸 743 88 400ms 15 Jan 2024 616th Shanethegamer 🇺🇸 743 88 324ms 16 Jan 2024 616th m-tkach 🇺🇦 743 88 343ms 20 Jan 2024 616th lifthrasiir 🇰🇷 743 88 345ms 2 Dec 2024 616th Babafaba 743 88 349ms 4 Nov 2025 622nd jacklynnepenick 742 97 12ms 22 Aug 2021 622nd SimonSieber 742 97 15ms 15 Dec 2022 622nd thehylian 742 97 15ms 17 Sep 2023 622nd rsgray 742 97 9ms 6 Jan 2024 622nd retrohun 742 97 14ms 7 Dec 2024 627th JohandeRuiter 🇳🇱 741 101 2ms 24 Nov 2023 627th xsot 🇸🇬 741 101 159ms 23 Sep 2025 627th 09cf 741 101 2ms 14 Nov 2025 630th synt7x 🇺🇸 741 129 2ms 5 Aug 2025 631st kumavale 740 163 162ms 1 Nov 2025 632nd wiebecommajonas 739 103 119ms 30 Nov 2022 633rd edsrzf 🇳🇿 738 141 444ms 3 Nov 2025 634th GolfingSuccess 🇬🇷 737 38 49ms 22 Jul 2022 634th GrayJoKing 🇦🇺 737 38 64ms 31 Jul 2022 634th MeWhenI 🇻🇦 737 38 51ms 25 Aug 2022 634th AlephSquirrel 737 38 60ms 2 Jul 2023 638th Yewzir 🇧🇪 737 107 75ms 9 Mar 2024 639th janbehrens 🇩🇪 736 49 3ms 17 Jan 2021 640th HETHAT 🇩🇿 735 98 10ms 4 Oct 2022 First Prev 561–640 of 2,035 Next Last